README.md: remove stale cmake prerequisite

it's stale. as we now require 3.10 after dropping the support of xenial.

and it's incomplete, we have a ton of build dependencies apart from
cmake.

Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/README.md b/README.md
index fd66a06f3815aa9d19d05a83bc0cccac7bf5b497..686e1083bfaa5725e36bdb85832f0df1c804781b 100644 (file)
--- a/README.md
+++ b/README.md
@@ -51,8 +51,6 @@ suitable for installation we recommend you build deb or rpm packages,
 or refer to the `ceph.spec.in` or `debian/rules` to see which
 configuration options are specified for production builds.
 
-Prerequisite: CMake 3.5.1
-
 Build instructions:
 
        ./do_cmake.sh